package com.itheima;

import java.util.*;

public class CollectionsDemo {
    public static void main(String[] args) {
        List<String> list = new LinkedList<>();
        Collections.addAll(list, "张三", "李四", "王五", "赵六");
        list.forEach(System.out::println);
        System.out.println("------------------------");
        //打乱集合的顺序
        Collections.shuffle(list);
        list.forEach(System.out::println);

    }
    public static void test1() {
        List<Integer> list = new ArrayList<>();
        Collections.addAll(list,1,2,3,4,5,6,7,8,9,10);
        Collections.sort(list);
        list.forEach(System.out::println);
        Collections.sort(list,(o1, o2)->{
            //安装倒序排
            return o2 - o1;
        });
        System.out.println("------------------------");
        list.forEach(System.out::println);

        List<Student> list1 = new ArrayList<>();
        list1.add(new Student("张三", 23));
        list1.add(new Student("王五", 25));
        list1.add(new Student("李四", 24));
        list1.add(new Student("赵六", 26));
        Collections.sort(list1);
        list1.forEach(System.out::println);






    }
}